<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <title>CSS Test: Line Breaking in Collapsed White Space</title>
  <link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/"/>
  <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#white-space-model"/>
  <meta name="assert" content="Line break opportunities are determined before
    white space collapsing."/>
  <style type="text/css">* { margin: 0; padding: 0 }
    .control {
      line-height: 1;
      height: 2em;
      background: red;
    }
    .cover {
      color: green;
      background: green;
    }
    .constraint {
      width: 0;
    }
    .nobr { white-space: nowrap; }
  </style>

 </head>
 <body>
  <p>There must be a green box below and no red.</p>
  <div class="control">
    <div class="cover">
      <div class="constraint">
        <span class="nobr">AA </span> BB
      </div>
    </div>
  </div>
 </body>
</html>
